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Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Zuanliding Shenyang Petroleum Tech Development Co Ltd patent application for Integrated Pulse Percussion Drilling Bit. The invention was developed by Jia Jiaxin, Chen Tianyu and Jia Liansuo.
The patent application number is CN202511916642 20251217. T..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and China Petroleum Logging Co Ltd have applied Chinese patent for Steel Wire Conveying Multi-stage Perforating Device and Method. Li Benchi, Tang Kai, Ren Guohui, Lu Yinghui, Ma Ziqiang, Li Pei, Yu Lei, Chen Huabin, Zhang Hongyun, Wang Jian, Lee Yeon-hee, Nie Jingwen and Zhao Min deve..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released Daqing Tiandezhong Petroleum Sci & Tech Co Ltd patent application for Multi-sealing Type Air-tight Seal Buckle. This invention was developed by Wang Xiaoting, Wang Xiaoyu, Jiang Antai, Zhang Xue and Zhou Hongji.
The patent application number is CN2025..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Daqing Tiandezhong Petroleum Sci & Tech Co Ltd has filed a patent application for Rigid Casing Stabilizer. This invention was developed by Wang Xiaoting, Wang Xiaoyu, Jiang Antai, Zhang Xue and Zhou Hongji.
The patent application number is CN202511937112 20251222. The patent publication number is CN12136338..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Releasing Type Leaking Stoppage Auxiliary Device. This invention was developed by Lan Xiaoyun, Ye Anchen, Zhou Shuangjun, Gao Feng, Huang Kai, Liu Peng and Hong Shijie.
The patent application number is CN20241..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China National Petroleum and Cnpc Engineering Tech R & D Co Ltd patent application for Full-bore Expandable Casing Upper Port Releasing Tool and Operation Method. This invention was developed by Jia Tao, Liu Yanli, Xu Binggui, Zhu Yingjie, Zhou Yi, Wang ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Hoop and Flange Double-acting Type Wellhead Connector. This invention was developed by Yan Jinlin, Dai Qiping, Zeng Qiao, Sun Chuanxua..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Xian Tri Ring Oil Pipe Tech Co Ltd have submitted a patent application for Resin Well Cementation Method for Carbon Dioxide Injection Well. This invention was developed by Shi Wei, Li Dejun, Wei Rong, Yang Qi, Cao Feng, Zhao Yuanlei and Z..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Nat Offshore Oil Corp and CNOOC China Co Ltd Hainan Branch patent application for Carbon-filtering Gas Production System and Method. Liao Jin, Liang Hao, Li Cai and Li Anqi developed the invention.
The patent application number is CN202511899592..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have applied Chinese patent for Planetary Pitching Device. Dong Yijun, Zhang Hongqiao, Deng Rong, Wu Xiaoxiong, Wang Qianmin, Hui Kunliang and Liu Xiru developed it.
The pa..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Device for Controlling Throwing of Segmented Balls. This invention was developed by Wang Qianmin, Wang Degui, Yan Yonghong, Liu Xiaoxu,..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Hainan Zhongran Huida Energy Co Ltd patent application for Transformation Method Aiming at Coal Seam Passivation Problem Caused by Ash Deposition in Underground Gasification Process of Deep Coal. The invention was developed by Cui Qingshan, Wang Xiaodon..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Beijing Petroleum Machinery and Cnpc Kunlun Mfg Company Limited have submitted a patent application for Drill String Dynamic Stability Control Method and System, Storage Medium and Electronic Equipment. Zhang Yao, Lu Siyuan, Wang Bo, Ma Rui, Yang Quanshui, Zhou Zeren, Tan Shuai, Zhu X..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China North Engine Res Institute has submitted a patent application for Mixed Oil Gas Generating Device and Mixed Oil Gas Generating Method for Simulating Waste Gas. This invention was developed by Li Yifan, Wang Haoyu, Luo Yingdi, Ke Qinghang, Zhang Xiaoliang, Wen Yang, Zhou Runtian, He Xiaodong and Yao Liang..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Dongying Gaoyuan Haitai Machinery Mfg Co Ltd has applied Chinese patent for Soft Sealing Reinforced Plunger Oil Well Pump. Song Qiang, Zhang Ping, Wang Qinghua and Yu Jie developed it.
The patent application number is CN202511953096 20251223. The patent publication number is CN121363527 (A). International P..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Mat R & D Company Limited and Beijing Longshine Oil Tubular Tech Co Ltd have submitted a patent application for Variable-wall-thickness Bent Pipe for Butt Joint of Large-wall-thickness-difference Steel Pipes and Production Method of Variable-wall-thickness Bent Pipe...
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 --Cnpc National Oil Gas Drilling Equipment Engineering Tech Research Center Co Ltd, Baoji Oilfield Machinery and China National Petroleum have submitted a patent application for Carbon Dioxide Fracturing Exhaust Mute Recycling System and Recycling Method. Yang Qiang, Zhou Qing, Zhu Haoming, Xi Qinyang, Li Sen, Z..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Nat Offshore Oil Corp and Beijing Res Center Cnooc China Co Ltd patent application for Method, Device and Equipment for Analyzing and Rating Vibration Condition of Drill String Based on Real-time Logging Data and Medium. This invention was develope..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Engineering Mat R & D Company Limited have submitted a patent application for X-ray Evaluation Method and System for Thickness of Scaling Layer in Oil and Gas Pipeline. This invention was developed by Luo Huaquan, Bai Xiaoliang, Zhang Yiming, Liu Wenhong, Yang Lineng, Liu Yang..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Shaanxi Jiekaizhou Machinery Equipment Co Ltd has applied Chinese patent for Air Filtering and Detecting Device for Petroleum Drilling and Production Environment. Wang Bo, Xie Yongzhou and Ma Zhiyi developed it.
The patent application number is CN202511935683 20251222. The patent publication number is CN121..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Cnpc Xibu Drilling Eng Co Ltd have submitted a patent application for Indoor Evaluation Method and Device for While-drilling Plugging Drilling Fluid to Pass Through Rotation Guiding System. Jia Yonghong, Zhou Shuangjun, Zhao Li, Ye Anchen, Zhang Wei, Wang Zhigang, Zhang Ruijin, Wan..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have applied Chinese patent for Complex Earth Surface Three-dimensional Work Area Designated Starting Point Shot Point Grouping Method, Device, Equipment, Storage Medium and Product. Ding Jianqun, Yan Hao, He Yongqing, Du Qingbo, Lei Fei and Zhang Ruitian..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received Chengdu Garidon Oil and Gas Tech Development Co Ltd patent application for Method for Calculating Fracture Density Data Volume. Li Yalan, Zhang Chi, Liu Jun and Min Yanbo developed the invention.
The patent application number is CN202411910535 2024122..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have submitted a patent application for Data Backfilling Time Shifting Method and Device and Storage Medium. This invention was developed by Jing Longjiang, Chen Sanping, Li Zilong, Li Le, Chih-chao Yang and Zhang Hua.
The patent application number is ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum, Cnpc Engineering Tech R & D Co Ltd and China Nat Oil And Gas Exploration And Development Ltd have filed a patent application for Target Drilling Machine Determination Method and Device, Electronic Equipment and Medium. This invention was developed by Xiao Yue, Zhou Tuo, Gu Yixin, Son..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Xinjiang Petroleum Eng Co Ltd, China Petroleum Eng & Constr Corp, China Nat Petroleum Corporation Engineering Co Ltd and China National Petroleum have sought patent for Divergent Coalescence Double-rectifying-plate Efficient Dehydration Method and Device. This invention was developed by Li Long, Huang Qiang, Q..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China National Petroleum and Bgp Inc China Nat Pet Corp have sought patent for Abnormal Channel Data Generation Method, Device and Equipment Based on Node Equipment, Storage Medium and Product. This invention was developed by Pan Yingjie, Wang Qiucheng, Ren Yanyong, Wu Wei, Song Weifeng and Tian Lei.
The pa..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Cnpc Science Tech Research Institute Co Ltd and China National Petroleum have sought patent for Method and Device for Predicting Yield of Fracturing Reformed Oil Reservoir. This invention was developed by Liu Fenghe, Qian Qihao, Lei Zhengdong, Chen Lijun and Zhang Menglin.
The patent application number is C..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Wuxi Keluo Cryogenic Tech Co Ltd has sought patent for Oil-free Gas Liquefaction System with Closed Cooling System and Liquefaction Method of Oil-free Gas Liquefaction System. This invention was developed by Li Xiaoming and Li Mulang.
The patent application number is CN202511875220 20251212. The patent publ..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has received Baker Hughes A Ge Co LLC patent application for Degradable Extrusion Resistant Compositions and Articles of Manufacture. Duan Ping, Sadana Anil K, Khatiwada Suman, Xu Yingqing and Wang Xiao developed the invention.
The patent application number is CA20163010..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Exxonmobil Product Solutions Co has sought patent for Pyrolysis Method and System for Recycled Waste. This invention was developed by Wu Xianchun, Bitting Daryl, Parker Kenny Randolph, Polasek Michael Gary, Slivensky David Eugene, Billodeaux Damon Ray and Murry Rucker Joel.
The patent application number ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Method and Device for Predicting Content of Sulfur and Nitrogen in Refined Wax Oil. The invention was developed by Tian Wang, Qin Kang, Xie Yu, Zhang Fan..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Method and Device for Determining Different Nitride Contents of Refined Wax Oil. Tian Wang, Qin Kang, Zheng Jian, Zhang Fanbin and Liang Jialin developed ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Modeling Method and Device for Strike-slip Fault Zone. Guo Kangkang, Liu Yuqing, Liu Dawei, Deng Shang, Ru Zhixing and Li Yingtao developed the invention...
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing patent application for Cylinder Device and Reciprocating Piston Internal Combustion Engine. This invention was developed by Tian Huayu, Zhang Ran, Yang He, Wang Jun and Hu Xiaom..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst patent application for Method for Simulating Full-life-cycle Gas-water Occurrence and Utilization of Low-permeability Tight Gas Reservoir. This invention was developed by Guo Ya..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- Southwest Petroleum University has submitted a patent application for Ultra-long-stroke Piston Type High-gas-content Multiphase Pump. This invention was developed by Ye Zhewei, He An, Jiang Shaoyun, Fang Donglin, Wang Hao, Li Changjiang, Peng Junhao and Li Pengkun.
The patent application number is CN2025119..
Oil & Gas
| Tue 19 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published Zhongshan Research Institute Changchun University Of Science And Technology, Zhongshan High Hydrogen Power Tech Co Ltd and Hainan Longpan Oilfield Tech Co Ltd patent application for Low-temperature Proton Ceramic Fuel Cell Composite Catalytic Material a..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Pigging Period Monitoring Method and System Based on Pipeline Effusion and Hydrate. This invention was developed by Zhou Hongyu, Ma Luo, Chen Dingchao, Zheng Rongjun, Zhao Rui, Jiang Zhi, Shi Mengke and You Mei.
The patent application number is CN202410972295 ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Shared Data Access System and Method. This invention was developed by Li Xinhao, Yan Lin, Li Xin, Zeng Qian, Li Xiaobo, Yang Minghao, Wang Zhiping and Shi Bingbo.
The patent application number is CN202410973721 20240719. The patent publication number is CN1213..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has applied United States patent for Pass-thru Electrical Devices and Methods. Hoelscher Christopher C, Mlcak Matthew Craig and Wood Stuart Michael developed it.
The patent application number is US202418947938 20241114. The patent publication number is US20260135021 (A1). Intern..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has sought patent for Laser Metal Additive Manufacturing Method and Device Based on Dynamic Microwave Assistance. This invention was developed by Li Guoying, Li Yingwen, Yi Peng and Liu Yonghong.
The patent application number is CN202511922619 20251219. The patent pub..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Dalian Res Institute Petroleum & Petrochemicals Co Ltd have submitted a patent application for Preparation Method of Hydrocracking Catalyst. This invention was developed by Xie Wenjie, Gao Hang, Liu Wei, Zhang Tong and Xue Jinghang.
The patent application number is CN2..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing have sought patent for Silicon-containing Aluminum Oxide and Preparation Method Thereof. This invention was developed by Yang Qinghe, Bao Jun, Li Dadong, Zeng Shuangqin, Sang Xiaoyi and Liu Bin.
The patent application number is CN2..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has applied Canadian patent for Transmission Health Indication and Life Prediction. Stephenson Stanley Vernon, Beisel Joe A and Hunter Timothy Holiman developed it.
The patent application number is CA20183109904 20181227. The patent publication number is CA3109904 (A1). Internationa..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Entegris has submitted a patent application for Methods for the Synthesis and Purification of Pyromellitic Dianhydride and Related Compositions. This invention was developed by Ermert David M.
The patent application number is US202519383404 20251107. The patent publication number is US20260132146 (A1). Int..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Calculation Method and System for Effective Communication of Injection-production System Under Intelligent Identification Constraint. This invention was developed by Liu Jincheng, Xue Shituan, Tang Shiyue, Zheng Yubao, Y..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Oil Coating Maintenance Device for Internal Thread of Oil Well Drill Rod. The invention was developed by Gao Leilei, Tian Jinpeng, Zhao Wentao, Zhang Shengliang, Wang Zhuo, Jiang Wen and X..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Petroleum Exploration & Prod Res Inst have sought patent for Component Phase Determination Method and Component Phase Determination System of Three-phase System. This invention was developed by Gao Ran, Cheng Chuanjie, Zhu Yangwen, Wang Rui, Yu Hongmin and Wang Peng.
T..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has applied Canadian patent for Azimuth Estimation for Directional Drilling. Sobhana Rashobh Rajan developed it.
The patent application number is CA20183082294 20181129. The patent publication number is CA3082294 (A1). International Patent Classification codes are E21B47/09, E21B7/0..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has submitted a patent application for Rapid Reversal of Wettability of Subterranean Formations. Recio Antonio, Beuterbaugh Aaron Michael, Benoit Denise Nicole and Reyes Enrique Antonio developed the invention.
The patent application number is CA20183106979 20181113. The patent publ..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has released Halliburton Energy Services patent application for Multilateral Junction with Integral Flow Control. This invention was developed by Falnes Morten.
The patent application number is CA20193115696 20191125. The patent publication number is CA3115696 (A1). Intern..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- PetroChina has applied Canadian patent for Metal-based Dissolvable Ball Seat, Setting System and Setting Method. Xue Xiaowei, Yao Jianguo, Wang Zhiguo, Ren Guofu, Hu Xiangjun, Guo Siwen, Zhao Minqi, Feng Changqing, Li Kai and Huang Penggang developed it.
The patent application number is CA20203101720 20201204...
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has sought patent for Complexity Index Optimizing Job Design. This invention was developed by Shetty Dinesh Ananda, Hillard Robert Douglas, Walters Harold Grayson and Stegent Neil Alan.
The patent application number is CA20193131425 20190430. The patent publication number is CA31314..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Halliburton Energy Services has applied Canadian patent for Downhole Tool for Cementing a Borehole. Acosta Frank Vinicio, Cao Jinhua, Ahuja Mayur Narain, Patil Ishwar Dilip, Ardoin Kevin Wendell, Helms Lonnie Carl, Vazquez-niebla Saul Emmanuel, Southwell Steven Daniel, Saetre Tor Sigve and Spivey Brittany Helen..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has received Halliburton Energy Services patent application for Method and System to Determine Variations in a Fluidic Channel. Ogundare Oluwatosin, Olmi Claudio, Bennett David B, Bickley Terry Don, Stark Daniel Joshua and Nicholson Jeremy Coss developed the invention.
The..
Oil & Gas
| Wed 20 May 2026
Canberra, May 20 -- PetroChina has sought patent for Dolomite Standard Sample Development Method Calibrated by Age Method, Dolomite Standard Sample, and Use Thereof. This invention was developed by Qiao Zhanfeng, Zheng Jianfeng, Liang Feng, Hu Anping, He Xunyun, Fu Xiaodong, Luo Xianying and Pan Liyin.
The patent application nu..
Oil & Gas
| Wed 20 May 2026
Ottawa, May 20 -- Canadian Intellectual Property Office has received ConocoPhillips patent application for Engineered Stress State with Multi-well Completions. Roussel Nicolas P and Lessard Mike D developed the invention.
The patent application number is CA20173045297 20171128. The patent publication number is CA3045297 (A1). I..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has released Schlumberger Technology patent application for Artificial Intelligence Method for Evaluating a Mining Project. This invention was developed by Heliot Denis, Xu Lina and Guillot Valerian.
The patent application number is US202519378605 20251104. The patent publi..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published PetroChina patent application for Method and Device for Analyzing Rock Resistivity of Glauconite Sandstone. The invention was developed by Yang Xiaofa, Zhou Yubing, Tian Zuoji, Ma Zhongzhen, Wang Dandan, Liu Yaming, Zhao Yongbin and Huang Tongfei.
The ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published PetroChina patent application for Water Saturation Prediction Method Based on Time-lapse Earthquake and Related Equipment. The invention was developed by Mou Yang, Chen Juan, Zhang Jie, Huang Yan, Wu Mengmeng, Liu Jintao and Ni Na.
The patent applicati..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has sought patent for B Value-based Microseismic Natural Fracture Separation Fitting Method and Device. This invention was developed by Lee Hee-chul, Guo Xiaolong, Wan Yujin, Bian Haijun, Duan Guifu and Wang Nan.
The patent application number is CN202410962596 20240717. The patent publication numbe..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has published China University of Petroleum, East China patent application for Multiphase Fluid Acoustoelectric Testing Device and Method for Well Drilling Overflow Simulation. The invention was developed by Xu Yuqiang, Hua Mingsong, Xiang Yanjun, Hu Yuyuan, He Hailo..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has applied Chinese patent for Natural Gas Pipeline Leakage Detection Method and Related Product. Liu Lu, Ma Luo, Zhou Hongyu, Dai Juan, Shen Wudong, Luo Qin, Wang Zhihui and Xiao Dan developed it.
The patent application number is CN202410974066 20240719. The patent publication number is CN12136371..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Res Institute Of Petroleum Processing have filed a patent application for Reactor for Xylene Isomerization and Method for Xylene Isomerization. This invention was developed by Bao Di, Tang Xiaojin, Zhou Han, Zhu Zhenxing, Ren Xiaotian and Han Ying.
The patent applicati..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and East China Oil & Gas Branch China Petroleum & Chemical have sought patent for Sea-land Transition Phase Shale Gas Dessert Area Quantitative Selection Method and Device. This invention was developed by He Guisong, Gao Yuqiao, Huang Xiaozhen, Ding Anxu, Zhou Dina and Wan Jingya.
..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- China University of Petroleum (East China) has submitted a patent application for Method and System for Determining Critical Inelastic Strain Rate During Creep-fatigue Damage Process. This invention was developed by Zhang Yucai, Guo Sidong, Jiang Wenchun, Song Ming, Zhang Xiancheng and Tu Shantung.
The pat..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has filed a patent application for Compressor Oil Composition and Preparation Method Thereof. This invention was developed by Sun Daxin, Li Meng, Liu Zhongguo, Miao Xinfeng and Jiang Yu.
The patent application number is CN202410958168 20240717. The patent publication number is CN121362611 (A). Inte..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Lubricating Oil Composition with Long Oil Change Period as Well as Preparation Method and Application of Lubricating Oil Composition. This invention was developed by Xu Jinbao, Wang Linchun, Jin Lili, Wang Xin and Wang Tianru.
The patent application number is ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Anti-micro-stripping Lubricating Grease Composition and Lubricating Method of Main Bearing of Wind Generating Set. Mao Jingjing, Li Jianming, Liu Lijun, Wang Yue, Qiu Jianwei and Zhang Lijuan developed the invention.
The patent application number is CN20241096..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Corrosion Inhibitor for Carbon Dioxide Corrosion and Preparation Method Thereof. This invention was developed by Yan Feng, Zhang Xizi, Kang Sidan, Yin Bing, Yan Ruoxi, Zhang Jian, Lyu Zheyong, Wang Hao, Hao Duo, Xu Baozhu, Liu Yu, Tang Yongjiang and Hao Guolian..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Thermal Expansion Material, Resin Liquid Bridge Plug and Deep Shale Gas Shaft Pressure-bearing Plugging Method. This invention was developed by Li Jia, Chen Pengfei, Sang Yu, Li Wei, Liu Youquan and Liu Shuang.
The pate..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has filed a patent application for Degradable Adhesive with Reversible Adhesion Effect as Well as Preparation Method and Application Thereof. This invention was developed by Li Jia, Li Wei, Zhou Lang, Chen Pengfei, Yi Shan and Liu Shuang.
The patent application number is CN202410965398 20240718. Th..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has released PetroChina patent application for Polypropylene Beta-crystal-form Compound Nucleating Agent, Beta-crystal-form Homo-polypropylene Pipe Special Material and Production Process of Beta-crystal-form Homo-polypropylene Pipe Special Material. This invention w..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd have applied Chinese patent for Method and Device for Eliminating Influence of Pre-stack Gather Coal Seam, Electronic Equipment and Storage Medium. Zhang Kefei, Sun Zhentao, Jia Zeyu, Lee Kyung-nam and Zhu Tong developed it.
The patent ..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Geophysical Res Institute Co Ltd have sought patent for Complex Fault Zone-oriented Variable Density Seismic Acquisition Method, Electronic Equipment, Storage Medium and Device. This invention was developed by Peng Daiping and Yang Jiangfeng.
The patent application num..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- China Petroleum & Chemical and Sinopec Zhongyuan Oilfield Company have applied Chinese patent for Seismic Data Processing Method for Ovt Continuous Piece Processing. Liu Yanming, Li Lingxi, Jiang Yongbo, Dou Andi, Xie Jinli and Han Lei developed it.
The patent application number is CN202410945774 20240715. ..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- State Intellectual Property Office of China has received Saic Motor patent application for Engine Oil Liquid Level Value Correction Method and Device, Equipment and Storage Medium. Xie Qijiang and Huang Xia developed the invention.
The patent application number is CN202410965233 20240718. The patent publica..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- China University of Petroleum, East China has submitted a patent application for Experimental Device for Simulating Well Killing Effect of Rescue Well at Different Communication Points. Yin Bangtang, Deng Yuanzhen, Huang Rui, Liu Xufeng, Chen Cheng, Jia Chaojie, Wang Zhiyuan and Gao Yonghai developed the inven..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has filed a patent application for Intelligent Injection Tubular Column with Built-in Cable, Application Method of Intelligent Injection Tubular Column and Intelligent Water Injection System. This invention was developed by Li Qinyu, Tian Ye, Shi Yu, Zhang Ming, Chen Peng, Dong Liang, Zhang Zheyang,..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has submitted a patent application for Concrete Assembly Floor Plate Leveling Device and Method. Tang Liuyi, Dai Jimao, Xiao Ruyun, Wu Xin, Chen Yuting and Wu Tiantian developed the invention.
The patent application number is CN202410972273 20240719. The patent publication number is CN121363160 (A)..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has submitted a patent application for Thrust Bearing with Tilting Pad. Rimmer Michael developed the invention.
The patent application number is US202418947660 20241114. The patent publication number is US20260132797 (A1). International Patent Classification codes are E21B43/12,..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has applied United States patent for Subsurface Detection System and Method. Garcia German, Fundytus Nicholas and Dumont Hadrien developed it.
The patent application number is US202418940910 20241108. The patent publication number is US20260132714 (A1). International Patent Classifi..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has sought patent for Systems and Methods for Well Integrity Evaluation. This invention was developed by Godoy Elizabeth and Bose Sandip.
The patent application number is US202519389364 20251114. The patent publication number is US20260132712 (A1). International Patent Classificatio..
Oil & Gas
| Wed 20 May 2026
Beijing, May 20 -- PetroChina has sought patent for Bio-based Intramolecular Composite Antioxidant as Well as Preparation Method and Application Thereof. This invention was developed by Jin Shuhan, Ren He, Wang Yuru, Ni Shuangyang, Xin Ying, Li Yinghui, Wang Weizhong, Liu Wenyong, Cao Tingting and Wei Deshuai.
The patent applic..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Drilling Framework. This invention was developed by Shen Yuelin, Feng Feng, Xu Gang, Liu Bo, Gjertsen Ole, Zhang Zhengxin and Chen Wei.
The patent application number is US202418943352 20241111. The patent publication number is US20260132710 (A1..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Halliburton Energy Services patent application for Thrust Bearing with Tilting Pad. The invention was developed by Rimmer Michael and Ekins Philip John.
The patent application number is US202418947512 20241114. The patent publication number is US20260132704 (A..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Schlumberger Technology patent application for Electric Annular with Rotational Gear Driven Pusher. The invention was developed by Boulanger Bruce and Kroesen Gerrit.
The patent application number is US202319121435 20231012. The patent publication number is US..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has sought patent for Gas Tight Ball Seat System. This invention was developed by Inglis Peter D W and O'sullivan David John.
The patent application number is US202519429841 20251222. The patent publication number is US20260132699 (A1). International Patent Classification code i..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Chevron USA has submitted a patent application for Subsea Completion Annulus Pressure Compensation System. This invention was developed by Giordano Michael Anthony.
The patent application number is US202418946548 20241113. The patent publication number is US20260132698 (A1). International Patent Classifica..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- U.S. Patent and Trademark Office has published Hydril USA Distribution patent application for Leak Containment System. The invention was developed by Sweeney Kevin M, Dunn Gregory Matthew, Haeberle Hunter Scott and Peralez Robert Andrew.
The patent application number is US202619445228 20260109. The patent ..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Halliburton Energy Services has submitted a patent application for Formation Testing While Drilling: Robust and Accurate Pore Pressure Measurement. Ali Pour Kallehbasti Mehdi, Sinanan Vishnu and Roopnarine Clarence developed the invention.
The patent application number is US202519215980 20250522. The paten..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Passive Hydraulic Control. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379961 20251105. The patent publication n..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Self-reversing Threads. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379986 20251105. The patent publication numb..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has submitted a patent application for Continuous Rotation Coiled Tubing Orienting Tool with Active Hydraulic Control. This invention was developed by Johnson Ashley Bernard and Murphy Jeremy Thomas.
The patent application number is US202519379899 20251105. The patent publication nu..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- Osaka Gas and Osaka Gas Chemicals have submitted a patent application for Granulated Body and Resin Composition, and Method for Producing Same and Use Thereof. Yamada Masahiro, Hirota Masayuki and Maeda Asami developed the invention.
The patent application number is CN20248040711 20240708. The patent public..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has filed a patent application for Translating Programs from a First Programming Language to a Second Programming Language. This invention was developed by Gex Gary.
The patent application number is US202418942891 20241111. The patent publication number is US20260133782 (A1). Intern..
Oil & Gas
| Mon 18 May 2026
Beijing, May 19 -- Sinopec Oilfield Service and Sinopec Petroleum Eng Corp have sought patent for Method and Device for Evaluating Bearing Capacity of Dome of Storage Tank. This invention was developed by Koh Jean, Zhou Shuangyan, Gao Shiguo, Wang Xia, Zhang Jiatao, Wang Yan, Luo Wei, Song Wenting, Wang Zongxing and Liu Xin.
..
Oil & Gas
| Tue 19 May 2026
Beijing, May 19 -- Daqing Oilfield and PetroChina have sought patent for Shale Oil Two-dimensional Nuclear Magnetism Online Mobility Evaluation Method and Device. This invention was developed by Lu Jiamin, Huo Yingdong, Li Binhui, Feng Zihui, Shao Hongmei, Huo Qiuli, Gao Bo, Zhang Hong, Wang Yujie, Liu Zhao, Zheng Binru and Chen..
Oil & Gas
| Tue 19 May 2026
Alexandria, May 20 -- Schlumberger Technology has filed a patent application for Bearings Having Asymmetrical Recesses. This invention was developed by Watson Arthur Ignatius, Mahadevan Pradeep and Camacho Cardenas Alejandro.
The patent application number is US202519348650 20251002. The patent publication number is US2026013281..
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